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  1 Analyses of subsurface Permian rock samples from the central Oklahoma aquifer 1990
  2 Biology as an integrated component of the U.S. Geological Survey's National Water-Quality Assessment Program 1994
  3 Design of the national water-quality assessment program : occurrence and distribution of water-quality conditions / 1995
  4 Design of the national water-quality assessment program occurrence and distribution of water-quality conditions / {electronic resource} : 1995
  5 Field guide for collecting and processing stream-water samples for the National Water-Quality Assessment Program 1994
  6 Field guide for collecting and processing stream-water samples for the National Water-Quality Assessment Program {microform} / 1994
  7 Guidelines for collecting and processing samples of stream bed sediment for analysis of trace elements and organic contaminants for the National Water-Quality Assessment Program / 1994
  8 Guidelines for quality assurance and quality control of fish taxonomic data collected as part of the National Water-Quality Assessment Program / 1998
  9 Guidelines for studies of contaminants in biological tissues for the National Water-Quality Assessment Program / 1993
  10 Guidelines for the processing and quality assurance of benthic invertebrate samples collected as part of the National Water-Quality Assessment Program 1993
  11 Implementation plan for the National Water-Quality Assessment Program / 1990
  12 Methods for characterizing stream habitat as part of the National Water-Quality Assessment Program / 1993
  13 Methods for collecting algal samples as part of the National Water-Quality Assessment Program / 1993
  14 Methods for collecting benthic invertebrate samples as part of the National Water-Quality Assessment Program 1993
  15 Microbiological monitoring for the U.S. Geological Survey National Water-Quality Assessment Program / 2000
  16 Microbiological monitoring for the U.S. Geological Survey National Water-Quality Assessment Program {electronic resource} / 2000
  17 National Water-Quality Assessment Program : example of study unit design for the Apalachicola-Chattahoochee-Flint river basin in Georgia, Alabama, and Florida, 1991-97 / 1997
  18 National Water-Quality Assessment Program : high plains regional ground-water study web site. 2000
  19 National Water-Quality Assessment Program the upper Tennessee River Basin study unit. 1995
  20 National Water-Quality Assessment program--southern Florida 1994
  21 Operational procedures for collecting water-quality samples at monitoring sites on Maple Creek near Nickerson and the Platte River at Louisville, eastern Nebraska 1994
  22 Opportunities to improve the U.S. Geological Survey National Water Quality Assessment Program / 2002
  23 Preparing for the third decade of the National Water-Quality Assessment Program / 2012
  24 Review of sediment data in the South Platte River Basin, Colorado, 1980-92. 1995
  25 Revised methods for characterizing stream habitat in the National Water-Quality Assessment Program 1998
  26 Selected organic compounds and trace elements in water, bed sediment, and aquatic organisms, upper Snake River Basin, Idaho and western Wyoming, water years 1992-94 1997
  27 Studies by the U.S. Geological Survey on sources, transport, and fate of agricultural chemicals {electronic resource} / 2004
  28 Study plan for urban stream indicator sites of the National Water-Quality Assessment Program 1997
  29 Using analytical services at the National Water Quality Laboratory 1994
  30 Water quality in the Albemarle-Pamlico drainage basin, North Carolina and Virginia, 1992-95 1998
  31 Water quality in the lower Tennessee River Basin, Tennessee, Alabama, Kentucky, Mississippi, and Georgia, 1999-2001 2004
  32 Water quality in the Mobile River Basin, Alabama, Georgia, Mississippi, and Tennessee, 1999-2001 / 2004
  33 Water quality in the South Platte River Basin, Colorado, Nebraska, and Wyoming, 1992-95 1998
  34 Water-quality assessment of the Trinity River Basin, Texas : nutrients in streams draining an agricultural and an urban area, 1993-95 / 1996
  35 Water-quality assessment of the Trinity River Basin, Texas : nutrients in two coastal prairie streams draining agricultural areas, 1994-95 / 1996
  36 World Wide Web access to publications and data for the Apalachicola-Chattahoochee-Flint River Basin, Georgia, Florida, and Alabama, 1992-95 1997
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